Results 51 to 60 of about 2,292 (201)

Effects of vegetation strata and human disturbance on bird diversity in green areas in a city in southern Chile

Avian Research, 2018
Background Urbanisation is a dominant geographical trend and an important component of global change, with unprecedented implications for socio-economic, cultural and environmental characteristics.
Andrés Muñoz-Pedreros, Marilyn González-Urrutia, Francisco Encina-Montoya, Heraldo V. Norambuena   +3 more
doaj   +1 more source

Variación individual e indicios de variación geográfica en el canto territorial del chucao (Scelorchilus rubecula) en el centro-sur de Chile

Gayana, 2020
We evaluated the individual and geographic variation in the territorial songs of five populations of Scelorchilus rubecula. The results suggest individually consistency in songs and vocal variation among individuals of S. rubecula. This high consistency
Heraldo V. Norambuena, Pedro F. Victoriano   +1 more
doaj   +1 more source

Presentación del dossier

Archivos de Historia del Movimiento Obrero y la Izquierda, 2022
Presentación de ...
Pablo Volkind, Osvaldo Graciano
doaj   +1 more source

La sombra alargada del patrón: Gamonalismo y hábitos hacendatarios en Chimborazo tras la reforma agraria

The Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley   +1 more source

MIGRACIÓN TRABAJADORES RURALES Y CONSTRUCCIÓN SOCIAL DEL TERRITORIO EN EL ALTO VALLE DE RÍO NEGRO

Boletín Geográfico, 2008
El espacio del Alto Valle del río Negro históricamente expresó la tensión global–local, dado que desde principios del siglo XX, la actividad frutícola se orientó a la exportación.
Martha Radonich, Ana Ciarallo, Verónica Trpin, Teresa Vecchia, Silvina Cardelli, Silvina Kopprio, Javier Grosso, Rocio Osorio   +7 more
doaj  

Can soluble organic fertilizers and/or manure reach the agronomic and environmental performance of synthetic fertilizers in drip‐fertigated crops?

Soil Use and Management, Volume 40, Issue 4, October 2024.
Abstract The substitution of synthetics by organic fertilizers, which is the current pillar of circular economy, has been broadly evaluated. However, varying results were obtained on nitrous oxide (N2O) and nitric oxide (NO) emissions as well as crop yields.
Jerónimo Salinas, Guillermo Guardia, Alba Monistrol, Susana M. Iglesias‐Díez, Sandra García‐Gutiérrez, Rafael Jiménez‐Horcajada, Gabriela Espín, Antonio Vallejo   +7 more
wiley   +1 more source

First Detection of Thiamethoxam in a Free‐Ranging Insectivorous Bird After its Agricultural Use Ban in Spain

Environmental Toxicology and Chemistry, Volume 43, Issue 8, Page 1836-1843, August 2024.
Abstract Neonicotinoids are insecticides used worldwide in phytosanitary and biocidal products and veterinary pharmaceuticals. Recently, some restrictions and bans have been imposed due to their adverse effects on nontarget invertebrates, including pollinators.
Marina Klaas‐Fábregas, Pilar Gómez‐Ramírez, Lola Fernández‐Gómez, Jesus Alfonso i Prieto, Isabel Garrido, Juana Cava, Carmen M. Martínez‐Escudero, Jose Fenoll, Juan M. Pérez‐García   +8 more
wiley   +1 more source

Knowledge and perceptions of birds of prey among local inhabitants in Chile: implications for the biological control of rodent pests

Gayana, 2018
The aim of this study was to understand the level of knowledge and the perceptions of a local population with a high indigenous component (38.5%) towards birds of prey in order to address wildlife conservation strategies.
Andrés Muñoz-Pedreros, Marcela Guerrero, Patricia Möller   +2 more
doaj   +1 more source

El concepto de renta en los clásicos aplicado al estudio del conflicto agrario del año 2008

Mundo Agrario, 2011
El conflicto agrario del año 2008 dividió a la sociedad argentina en sectores que apoyaron y se opusieron a la aprobación de la Resolución N § 125 de la Secretaria de Agricultura, Ganaderí­a.
José A. Pierri
doaj  

“Desafíos y proyección de una viticultura joven de escala reducida: Tannat del Uruguay”

BIO Web of Conferences, 2019
El objetivo principal de esta presentación es reflexionar – a partir de nuestra investigación académica- sobre el tema que nos convoca “Desafíos de la producción y el mercado” desde una vitivinicultura caracterizada por ser joven (desde 1870), de escala ...
de Frutos E., Curi A.B.
doaj   +1 more source